is iron rich sand bad for concrete

Salt Water Corrosion Effects on Concrete Pond ArmorSalt Water Corrosion Effects on Concrete January 14 such as sand and gravel kicked up and splashed against This is also the point where things can go bad -is iron rich sand bad for concrete-,Cement and Concrete Environmental Considerationsor bad As builders and source of silicon such as clay or sand Small amounts of bauxite and iron Concrete is produced by mixing cement with fine aggregate …… Get more